/*******************************************************************************
 * This file is part of blueprint4j www.blueprint4j.org.
 * 
 *     blueprint4j is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     blueprint4j is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Lesser General Public License for more details.
 * 
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with blueprint4j. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package blueprint4j.db;

import java.math.BigDecimal;
import java.sql.ResultSet;
import java.sql.SQLException;

import blueprint4j.utils.BindCurrencyInterface;
import blueprint4j.utils.BindException;
import blueprint4j.utils.Currency;

public class FieldCurrency extends Field implements BindCurrencyInterface,java.io.Serializable {
	private static final long serialVersionUID = 1L;

	/**
	 *
	 */
	public FieldCurrency( String p_name, int p_field_type  ,String p_description, Entity entity  ){
		super( p_name,p_field_type, p_description, entity );
	}

	public Field newInstance(Entity entity) {
		return new FieldCurrency(getName(),getFieldType(),getDescription(),entity);
	}

	/**
	  *Set Value field type bigdecimal, retrieved from ResultSet
	 */
	protected void setFieldValue( ResultSet result_set )
	throws DataException {
		try {
			String value=result_set.getString(getName());
			if (value!=null){
				setObject(new Currency(new BigDecimal(value)));
			}else{
				setObject(null);
			}
		} catch  (SQLException se  ){
			throw new DataException( "Can not retrieve '"  +getName()  +"'" );
		};
	}

	public void set( Currency value  ){
		setObject( value );
	}

	public Currency get() {
		return (Currency) getObject();
	}

	public String toString() {
		if (getObject() == null) {
			return null;
		}
		return getObject().toString();
	}

	/**
	  *Return data in  asuitable SQL format
	 */
	public String getSQLValue() {
		if (getObject() == null) {
			return "null";
		}
		return get().getBigDecimal().toString();
	}

	/**
	  *An overloaded equals method that only accepts the correct type
	 */
	public boolean equals(Currency value) {
		return get().equals(value);
	}
	
	public Object getPreparedStatementObject() 
	throws DataException {
		if (getObject() == null) return null;
		return get().getBigDecimal(); 
	}
	
	public void setSerializable(String value) throws BindException{
		if ("null".equalsIgnoreCase(""+value)) {
			setObject(null);
		} else {
			setObject(new Currency(value));
		}
	}

}
